carlosponti

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while usually I like building my planes, just a fun past time, I find myself with a arf every now and again. well over the weekend I won a yak 54 from seagull models. this one has me in a conundrum, on the box it states .72 to .82 fours stroke but on the web site it says .91 to .100. my question is I have a saito 72 will it be enough power to fly this plane or do I need a bigger one? the conflict between the web site and the box stated power ratings are discerning. I definitely want to fly this plane. I do want to commend seagull models from what I saw it looked beautiful inside the fuselage. I am impressed with the build quality. I also like the way they designed the wing to accept removable wings on an aluminium tube and that they included a fibreglass cowling, abs cowls never hold up. I am excited to see how this turns out.

carlosponti

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never mind got my answer somewhere else. may end up getting a saito 100 for this plane. for right now i will fly it with a saito 72.

lou1947

Do you have the 90 size yak 54? Blue and yellow in color? If so I would not fly it with a 72 size Saito. It will be way underpower. I have that plane with a !00 Saito and it could use more power. I hope that helps.

carlosponti

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no i have the 60 size like the title of the post suggests. its mostly white with blue yellow and red highlights.

kolarshooter

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I'm considering this plane for a homeless Saito .91 on my bench. What are your impressions of the plane? The Horizon website indicates that it comes with Carbon Fiber hardware. Is this so? Also, since there seems to be absolutely no info on this plane in the forums, would you mind posting some pics to give us an idea of build quality?

Thanks a bunch and good luck with your project!

carlosponti

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dont know about carbon fiber on the 60 size maybe the 90 size is what you are looking at. I am uploaded some images so you can see the one i have.

badguy

Only the aileron rods are carbon fiber. The interesting thing is other rods (elevator & rudder) are 2 mm pushrods. They seem a little weak for 3D.

carlosponti

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probably could change that by putting servos in the tail or even making your own control rods. just because they come with that stuff doesnt mean you have to use them.

alcarafa

Really a good quality plane, only one observation : watch out because stall speed is surprisingly high especially if the engine is shut down

mickt

What CofG point did you use?. I am using 6.5-7.5cm as stated in the manual and having to put a shed load of weight up front, i am sure the CofG point is wrong. Any pointers would be appreciated

Cheers

Mick

billconn

I am currently putting one of these together. Only lack contol linkages and connecting servos. I'm also concerned about the CG. Seems to far forward. I have emailed Horizon Hobby to see if they have any info on this. My Great Planes Electric Yak 54's CG is 3 1/8" with a 41" wingspan. So, 2 1/2 to 3" seems way too far forward for this size and wing area. If I hear anything I will post.

billconn

The Seagull Yak is measured from the wingtip. I missed this because all my other Yak's are from the fuselage, so CG is probably correct.

amarxyz

DOES ANYONE HAVE A VIDEO OF MORE PICS OF THIS PLANE

amarxyz

OR NOT OF

carlosponti

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no video but some more pictures at the main thread i now contribute to http://www.rcuniverse.com/forum/m_6928361/tm.htm

amarxyz

thanks. it would be excellent if there were some vids of this plane flying, on youtube

yearnin to Fly

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Can anyone PLEASE HELP???? I bought a Yak 54 60 size airplane already built. It has a supertige .61 engine on it. The problem I am having is, when I balance it from the point that the factory says to, in my case between the 6.5 cm and 7.5 cm point when I fly the plane and trim it out, the elevator is trimmed in the up position about a 1/4 of an inch, that is the only way I can get the plane to fly in a level position.

HELP!!!!

carlosponti

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a couple of us started a thread over here http://www.rcuniverse.com/forum/m_69...page_11/tm.htm as an official thread about this plane. I unfortunately haven't flown mine yet either however i have read that the manual was wrong about the CG point. also did you balance on the wing tips or the root. the manual states tips which is where you are suppose to balance the plane at.

yearnin to Fly

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I have balanced mine using the measurements at the wing tips like the manual said to do.
By the way thanks for the reply, and do you know how to start a new thread or post?

THANKS !!!!!